4W-5455 Engine Oil Cooler for Caterpillar (CAT) 3512, 3512B, 3516, 3516B

The SPARKLING MACHINERY NEW 4W-5455 Oil Cooler Photo:

• • • • • • • • • Typical Applications

                  The 4W-5455 is found in some of the world's most demanding engine environments:

                  •    - Marine Power: Main propulsion and auxiliary power for tugs, ferries, and offshore vessels.

                  •    - Power Generation: Critical backup power for data centers and hospitals (CAT 3516B Gen-sets).

                  •    - Mining & Earthmoving: Large-scale mining trucks (793C/D) and large dozers.

                  •    - Oil & Gas: High-pressure pumping stations and offshore rig power.

                  •  

Q&A

• • • • • • Q1: What are the symptoms of a failing 4W-5455 oil cooler?

          • A: The most common sign is oil in the coolant. Because oil pressure is typically higher than coolant pressure, a leak in the cooler bundle will push oil into the cooling system, resulting in a thick, sludge-like substance in the expansion tank.

            Q2: Is the 4W-5455 interchangeable with newer 3500C or 3500E series coolers?

          • A: While the 4W-5455 is standard for many 3512 and 3516 "B" series engines, CAT has updated cooling systems for newer "C" and "E" Tier-rated engines. Always verify your Engine Serial Number (ESN) and Arrangement Number before purchasing to ensure the mounting flanges and lengths match.

            Q3: Can this cooler be cleaned or must it be replaced?

          • A: For "soft" failures like scaling or external debris, professional ultrasonic cleaning can restore efficiency. However, if there is a pinhole leak (internal failure) or if the engine has suffered a major bearing failure (metal debris in the oil), replacement is mandatory to protect the engine.